stainless steel welded pipes TP: 304,304L,316,316L. BL,SO,WN ASTM, JIS, DIN, GB We can manufacture many kinds of Flanged Gate Valves.material 304,316,304L,316L,WCBalloy steel.Sizes are from DN8 to DN150 for valves, DN6 to DN150 for fittings, DN15 to DN200 for quick joints.The max dimension for casting parts are 600MM,with weight 60KG.